Association between air pollution exposure and risk of autoimmune diseases
| Diseases | PM10, β (95% CI) | P value | PM2.5, β (95% CI) | P value |
| All autoimmune diseases | 0.007 (0.001 to 0.013) | 0.014 | 0.001 (−0.006 to 0.008) | NS |
| Rheumatoid arthritis | 0.005 (−0.004 to 0.014) | NS | 0.022 (0.011 to 0.034) | 0.0001 |
| Psoriatic arthritis | 0.003 (−0.002 to 0.005) | NS | 0.004 (−0.016 to 0.023) | NS |
| Systemic lupus erythematosus | −0.007 (−0.033 to 0.019) | NS | −0.014 (−0.046 to 0.017) | NS |
| Systemic sclerosis | 0.013 (−0.011 to 0.038) | NS | 0.013 (−0.017 to 0.042) | NS |
| Other connective tissue diseases | −0.004 (−0.014 to 0.007) | NS | 0.015 (0.003 to 0.028 | 0.013 |
| Multiple sclerosis | 0.025 (−0.001 to 0.051) | 0.063 | 0.036 (0.006 to 0.067) | 0.019 |
NS, not significant; PM, particulate matter.